WEKO3
アイテム
High heat flux testing of mm-thick tungsten coatings on carbon-fiber composites for the JT-60SA tokamak
https://repo.qst.go.jp/records/48864
https://repo.qst.go.jp/records/48864d216bc55-1158-43d9-968c-8170e42fb39a
| Item type | 学術雑誌論文 / Journal Article(1) | |||||
|---|---|---|---|---|---|---|
| 公開日 | 2018-05-08 | |||||
| タイトル | ||||||
| タイトル | High heat flux testing of mm-thick tungsten coatings on carbon-fiber composites for the JT-60SA tokamak | |||||
| 言語 | ||||||
| 言語 | jpn | |||||
| 資源タイプ | ||||||
| 資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
| 資源タイプ | journal article | |||||
| アクセス権 | ||||||
| アクセス権 | metadata only access | |||||
| アクセス権URI | http://purl.org/coar/access_right/c_14cb | |||||
| 著者 |
福本, 正勝
× 福本, 正勝× Henri, Greuner× Bernd, Boeswirth× Stefan, Elgeti× Hans, Maier× Rudolf, Neu× 仲野, 友英× 黒木, 信義× 能見, 健司× 高畠, 剛× 吉田, 直亮× 福本 正勝× 仲野 友英 |
|||||
| 抄録 | ||||||
| 内容記述タイプ | Abstract | |||||
| 内容記述 | High heat flux tests have been performed on 0.4 mm thick W coatings produced by vacuum plasma spraying on carbon-fiber composites (CFCs) for the future actively cooled W-coated CFC divertor target in JT-60SA. The surface temperature of the W coating increased up to 2000 °C at 15 MW m−2 for 5 s. No severe morphological changes, for example, melting, cracking and delamination were observed although recrystallization and grain growth were found in the W coating. Cyclic loading at 15 MW m−2 for 3 s with 50 cycles and additional 50 cycles with longer pulse length of 4 s produced again no severe morphological changes. Heat transfer analysis of the W-coated CFC sample during the high heat flux test showed that thermal resistance between W coatings and CFCs was negligibly low. This analysis also showed that the surface temperature of the 1 mm thick W coating on the actively cooled CFC monoblock divertor target in JT-60SA will be higher than the recrystallization temperature, 1200 °C, at the steady state heat flux of 15 MW m−2. Therefore, a reduction of armor thickness of the future actively cooled W-coated CFC monoblock divertor target in JT-60SA could be necessary to decrease the surface temperature to less than the recrystallization temperature. | |||||
| 書誌情報 |
Physica Scripta 巻 T170, p. 014029, 発行日 2017-10 |
|||||
| ISSN | ||||||
| 収録物識別子タイプ | ISSN | |||||
| 収録物識別子 | 0031-8949 | |||||
| DOI | ||||||
| 識別子タイプ | DOI | |||||
| 関連識別子 | 10.1088/1402-4896/aa8c54/meta | |||||
| 関連サイト | ||||||
| 識別子タイプ | URI | |||||
| 関連識別子 | http://iopscience.iop.org/article/10.1088/1402-4896/aa8c54/pdf | |||||
| 関連名称 | http://iopscience.iop.org/article/10.1088/1402-4896/aa8c54/pdf | |||||
